Home / 2,106,199.21-2,906,551.59-1,139,326.51

Finding the Fourth Proportional to 2,106,199.21, 2,906,551.59 and 1,139,326.51

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Solution

The fourth proportional to 2,106,199.21, 2,906,551.59 and 1,139,326.51 is: 1,572,268.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,199.21 : 2,906,551.59 = 1,139,326.51 : x
  2. Step 2: Convert to fraction form
    2,106,199.21/2,906,551.59 = 1,139,326.51/x
  3. Step 3: Cross multiply
    2,106,199.21x = 2,906,551.59 × 1,139,326.51
  4. Step 4: Simplify right side
    2,106,199.21x = 3,311,511,279,169.65
  5. Step 5: Solve for x
    x = 3,311,511,279,169.65/2,106,199.21
  6. Step 6: Final answer
    x = 1,572,268.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.